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/**
 
  Author:
  Eric D Vaughan

**/

#ifndef nsGridRowLayout_h___
#define nsGridRowLayout_h___

#include "nsSprocketLayout.h"
#include "nsIGridPart.h"
class nsGridRowGroupLayout;
class nsGridLayout2;
class nsBoxLayoutState;
class nsIPresShell;
class nsGrid;

class nsGridRowLayout : public nsSprocketLayout,
                        public nsIGridPart
{
public:
  NS_DECL_ISUPPORTS_INHERITED

  NS_IMETHOD CastToRowGroupLayout(nsGridRowGroupLayout** aRowGroup);
  NS_IMETHOD CastToGridLayout(nsGridLayout2** aGrid);
  NS_IMETHOD GetGrid(nsIBox* aBox, nsGrid** aList, PRInt32* aIndex, nsGridRowLayout* aRequestor=nsnull);
  NS_IMETHOD GetParentGridPart(nsIBox* aBox, nsIBox** aParentBox, nsIGridPart** aParentGridRow);
  NS_IMETHOD ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aPrevBox, nsIBox* aChildList);
  NS_IMETHOD ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
  NS_IMETHOD ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
  NS_IMETHOD ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
  NS_IMETHOD GetTotalMargin(nsIBox* aBox, nsMargin& aMargin, PRBool aIsHorizontal);

protected:
  NS_IMETHOD ChildAddedOrRemoved(nsIBox* aBox, nsBoxLayoutState& aState)=0;

  nsGridRowLayout(nsIPresShell* aShell);
};

#endif


.